April Challenge 2015
Chef and Interview, Broken Telephone
June Challenge 2015
Chef and Memory Limit, Chef and Polygons
August Challenge 2015
Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Lighthouses, Cracking the Code, Bank robbery, Count Steps in Matrix, Chain of Doughnuts
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Rupsa and Equilateral Triangle
October Cook-Off 2015
Word Stem, Almost Sorted Permutation
September Cook-Off 2017
Statistics Construction, Subsequence Equality
September Lunchtime 2017
Chef and Dice, Chef and Cook-Off Contests
India